/**
  ******************************************************************************
  * File Name          : I2C.c
  * Description        : This file provides code for the configuration
  *                      of the I2C instances.
  ******************************************************************************
  ** This notice applies to any and all portions of this file
  * that are not between comment pairs USER CODE BEGIN and
  * USER CODE END. Other portions of this file, whether
  * inserted by the user or by software development tools
  * are owned by their respective copyright owners.
  *
  * COPYRIGHT(c) 2018 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "i2c.h"

#include "gpio.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

I2C_HandleTypeDef hi2c1;
I2C_HandleTypeDef hi2c2;

/* I2C1 init function */
void MX_I2C1_Init(void)
{

    hi2c1.Instance = I2C1;
    hi2c1.Init.ClockSpeed = 400000;
    hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
    hi2c1.Init.OwnAddress1 = 0;
    hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
    hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
    hi2c1.Init.OwnAddress2 = 0;
    hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
    hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
    if (HAL_I2C_Init(&hi2c1) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

}
/* I2C2 init function */
void MX_I2C2_Init(void)
{

    hi2c2.Instance = I2C2;
    hi2c2.Init.ClockSpeed = 200000;
    hi2c2.Init.DutyCycle = I2C_DUTYCYCLE_2;
    hi2c2.Init.OwnAddress1 = 0;
    hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
    hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
    hi2c2.Init.OwnAddress2 = 0;
    hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
    hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
    if (HAL_I2C_Init(&hi2c2) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

}

void HAL_I2C_MspInit(I2C_HandleTypeDef *i2cHandle)
{

    GPIO_InitTypeDef GPIO_InitStruct;
    if(i2cHandle->Instance == I2C1)
    {
        /* USER CODE BEGIN I2C1_MspInit 0 */
        __HAL_RCC_I2C1_CLK_ENABLE();
        /* USER CODE END I2C1_MspInit 0 */

        /**I2C1 GPIO Configuration
        PB6     ------> I2C1_SCL
        PB7     ------> I2C1_SDA
        */
        GPIO_InitStruct.Pin = GPIO_PIN_6 | GPIO_PIN_7;
        GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
        GPIO_InitStruct.Pull = GPIO_PULLUP;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
        HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

        HAL_GPIO_WritePin(GPIOB, 6, GPIO_PIN_SET);
        HAL_GPIO_WritePin(GPIOB, 7, GPIO_PIN_SET);

        i2cHandle->Instance->CR1 = I2C_CR1_SWRST;
        i2cHandle->Instance->CR1 = 0;

        GPIO_InitStruct.Pin = GPIO_PIN_6 | GPIO_PIN_7;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
        GPIO_InitStruct.Pull = GPIO_PULLUP;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
        GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
        HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

        /* I2C1 clock enable */

        /* USER CODE BEGIN I2C1_MspInit 1 */
        //__HAL_RCC_I2C1_FORCE_RESET();
        //__HAL_RCC_I2C1_RELEASE_RESET();
        /* USER CODE END I2C1_MspInit 1 */
    }
    else if(i2cHandle->Instance == I2C2)
    {
        /* USER CODE BEGIN I2C2_MspInit 0 */
        __HAL_RCC_I2C2_CLK_ENABLE();
        /* USER CODE END I2C2_MspInit 0 */

        /**I2C2 GPIO Configuration
        PB10     ------> I2C2_SCL
        PB11     ------> I2C2_SDA
        */
        GPIO_InitStruct.Pin = GPIO_PIN_10 | GPIO_PIN_11;
        GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
        GPIO_InitStruct.Pull = GPIO_PULLUP;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
        HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

        HAL_GPIO_WritePin(GPIOB, 10, GPIO_PIN_SET);
        HAL_GPIO_WritePin(GPIOB, 11, GPIO_PIN_SET);

        i2cHandle->Instance->CR1 = I2C_CR1_SWRST;
        i2cHandle->Instance->CR1 = 0;

        GPIO_InitStruct.Pin = GPIO_PIN_10 | GPIO_PIN_11;
        GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
        GPIO_InitStruct.Pull = GPIO_PULLUP;
        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
        GPIO_InitStruct.Alternate = GPIO_AF4_I2C2;
        HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

        /* I2C2 clock enable */

        /* USER CODE BEGIN I2C2_MspInit 1 */

        /* USER CODE END I2C2_MspInit 1 */
    }
}

void HAL_I2C_MspDeInit(I2C_HandleTypeDef *i2cHandle)
{

    if(i2cHandle->Instance == I2C1)
    {
        /* USER CODE BEGIN I2C1_MspDeInit 0 */

        /* USER CODE END I2C1_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_I2C1_CLK_DISABLE();

        /**I2C1 GPIO Configuration
        PB6     ------> I2C1_SCL
        PB7     ------> I2C1_SDA
        */
        HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6 | GPIO_PIN_7);

        /* USER CODE BEGIN I2C1_MspDeInit 1 */

        /* USER CODE END I2C1_MspDeInit 1 */
    }
    else if(i2cHandle->Instance == I2C2)
    {
        /* USER CODE BEGIN I2C2_MspDeInit 0 */

        /* USER CODE END I2C2_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_I2C2_CLK_DISABLE();

        /**I2C2 GPIO Configuration
        PB10     ------> I2C2_SCL
        PB11     ------> I2C2_SDA
        */
        HAL_GPIO_DeInit(GPIOB, GPIO_PIN_10 | GPIO_PIN_11);

        /* USER CODE BEGIN I2C2_MspDeInit 1 */

        /* USER CODE END I2C2_MspDeInit 1 */
    }
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

/**
  * @}
  */

/**
  * @}
  */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
